Pith Number

pith:2RMI7MXT

pith:2015:2RMI7MXTBFPAIV3KAF2A53M2E5

not attested not anchored not stored refs pending

Optical Flow on Evolving Sphere-Like Surfaces

Lukas F. Lang, Otmar Scherzer

arxiv:1506.03358 v1 · 2015-06-10 · math.OC · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RMI7MXTBFPAIV3KAF2A53M2E5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:55:24.934328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4588fb2f3095e04576a01740eed9a277a1379e04c233c7c57e540be50d3790b

Aliases

arxiv: 1506.03358 · arxiv_version: 1506.03358v1 · doi: 10.48550/arxiv.1506.03358 · pith_short_12: 2RMI7MXTBFPA · pith_short_16: 2RMI7MXTBFPAIV3K · pith_short_8: 2RMI7MXT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2RMI7MXTBFPAIV3KAF2A53M2E5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d4588fb2f3095e04576a01740eed9a277a1379e04c233c7c57e540be50d3790b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e59e83a0e20f3a94036dfbfff54e9d19b4b01d855a02899aaf41a29b1de2e20",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-06-10T15:24:19Z",
    "title_canon_sha256": "e897a11bef9ec47d466fbd09a5258ed1cbdab5a5b0d4c4449088a7e5744f1e4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03358",
    "kind": "arxiv",
    "version": 1
  }
}